[PATCH v2 2/4] mm: move is_kernel_rodata() to asm-generic/sections.h
From: Bartosz Golaszewski <hidden>
Date: 2018-08-28 09:42:15
Also in:
linux-clk, lkml
Subsystem:
generic include/asm header files, memory management, memory management - core, the rest · Maintainers:
Arnd Bergmann, Andrew Morton, David Hildenbrand, Linus Torvalds
Export this routine so that we can use it later in devm_kstrdup_const() and devm_kfree_const(). Signed-off-by: Bartosz Golaszewski <redacted> --- include/asm-generic/sections.h | 14 ++++++++++++++ mm/util.c | 7 ------- 2 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index 849cd8eb5ca0..d79abca81a52 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h@@ -141,4 +141,18 @@ static inline bool init_section_intersects(void *virt, size_t size) return memory_intersects(__init_begin, __init_end, virt, size); } +/** + * is_kernel_rodata - checks if the pointer address is located in the + * .rodata section + * + * @addr: address to check + * + * Returns: true if the address is located in .rodata, false otherwise. + */ +static inline bool is_kernel_rodata(unsigned long addr) +{ + return addr >= (unsigned long)__start_rodata && + addr < (unsigned long)__end_rodata; +} + #endif /* _ASM_GENERIC_SECTIONS_H_ */
diff --git a/mm/util.c b/mm/util.c
index d2890a407332..41e9892a50ce 100644
--- a/mm/util.c
+++ b/mm/util.c@@ -15,17 +15,10 @@ #include <linux/vmalloc.h> #include <linux/userfaultfd_k.h> -#include <asm/sections.h> #include <linux/uaccess.h> #include "internal.h" -static inline int is_kernel_rodata(unsigned long addr) -{ - return addr >= (unsigned long)__start_rodata && - addr < (unsigned long)__end_rodata; -} - /** * kfree_const - conditionally free memory * @x: pointer to the memory
--
2.18.0